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Author Question: Consider the decay o - + e+. This decay is A) forbidden because conservation of baryon number is ... (Read 147 times)

cartlidgeashley

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on: Jul 29, 2018
Consider the decay o  - + e+. This decay is
 
  A) forbidden because conservation of baryon number is violated.
  B) forbidden because conservation of lepton numbers is violated.
  C) allowed.
  D) forbidden because conservation of mass is violated.
  E) forbidden because conservation of energy is violated.

Question 2

A polarizer (with its preferred direction rotated 30 to the vertical) is placed in a beam of unpolarized light of intensity 1. After passing through the polarizer, the beam's intensity is
 
  A)
 
  0.25.
  B)
 
  0.50.
  C)
 
  0.63.
  D)
 
  0.87.
  E)
 
  0.75.


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Dominic

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Reply #1 on: Jul 29, 2018
Answer to Question 1

B

Answer to Question 2

B


cartlidgeashley

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Reply #2 on: Jul 29, 2018
Thanks


Dominic

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Reply #3 on: Jul 29, 2018
Welcome :)


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